●用于缓解过敏性鼻炎有关的症状，如喷嚏、流涕、鼻痒、鼻塞以及眼部痒及烧灼感。
口服药物后，鼻和眼部症状及体征得以迅速缓解。
●亦适用于缓解慢性荨麻疹、瘙痒性皮肤病及其他过敏性皮肤病的症状及体征。
Loratadineisindicatedforthesymptomaticreliefofallergysuchashayfever(allergicrhinitis),urticaria(hives),chronicidiopathicurticaria,andotherskinallergies.Forallergicrhinitis(hayfever),loratadineiseffectiveforbothnasalandeyesymptoms:sneezing,runnynose,itchyorburningeyes.Loratadinecouldbealsousedtotreatmildtomoderatepainfromheadaches.[citationneeded]Similarlytocetirizine,loratadineattenuatestheitchingassociatedwithKimurasdisease.副作用：Asanonsedatingantihistamine,loratadinecausesless(butstillsignificant,insomecases)sedationandpsychomotorretardationthantheolderantihistaminesbecauseitpenetratestheblood/brainbarriertoasmallerextent.Althoughdrowsinessisrareatthecommon10-mgdose,patientsshould,nevertheless,beadvisedthatitcanoccurandmayaffectperformanceofskilledtasks(e.g.,driving).Patientswhodoexperiencedrowsinesswhiletakingloratadineshouldavoidtheuseofalcohol,asitcancauseexcessivedrowsiness.Otherwise,loratadineandalcoholareunlikelytocauseproblems.Nevertheless,itwouldbeinthepatientsbestinteresttotakecautionwhencombiningalcoholandanymedication.Otherpossiblesideeffectsincludeheadacheandantimuscariniceffectssuchasurinaryretention,drymouth,blurredvision,andgastrointestinaldisturbances.
标签：氯雷,他定
